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22 <h1>eric5.Plugins.CheckerPlugins.Pep8.Pep8NamingChecker</h1> |
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23 <p> |
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24 Module implementing a checker for PEP-8 naming conventions. |
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25 </p> |
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26 <h3>Global Attributes</h3> |
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27 <table> |
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28 <tr><td>None</td></tr> |
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29 </table> |
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30 <h3>Classes</h3> |
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31 <table> |
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32 <tr> |
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33 <td><a href="#Pep8NamingChecker">Pep8NamingChecker</a></td> |
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34 <td>Class implementing a checker for PEP-8 naming conventions.</td> |
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35 </tr> |
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36 </table> |
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37 <h3>Functions</h3> |
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38 <table> |
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39 <tr><td>None</td></tr> |
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40 </table> |
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41 <hr /><hr /> |
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42 <a NAME="Pep8NamingChecker" ID="Pep8NamingChecker"></a> |
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43 <h2>Pep8NamingChecker</h2> |
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44 <p> |
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45 Class implementing a checker for PEP-8 naming conventions. |
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46 </p> |
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47 <h3>Derived from</h3> |
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48 object |
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49 <h3>Class Attributes</h3> |
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50 <table> |
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51 <tr><td>CamelcaseRegexp</td></tr><tr><td>Codes</td></tr><tr><td>LowercaseRegex</td></tr><tr><td>Messages</td></tr><tr><td>MixedcaseRegexp</td></tr><tr><td>UppercaseRegexp</td></tr> |
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52 </table> |
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53 <h3>Class Methods</h3> |
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54 <table> |
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55 <tr> |
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56 <td><a href="#Pep8NamingChecker.getMessage">getMessage</a></td> |
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57 <td>Class method to get a translated and formatted message for a given code.</td> |
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58 </tr> |
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59 </table> |
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60 <h3>Methods</h3> |
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61 <table> |
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62 <tr> |
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63 <td><a href="#Pep8NamingChecker.__init__">Pep8NamingChecker</a></td> |
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64 <td>Constructor (according to pep8.py API)</td> |
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65 </tr><tr> |
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66 <td><a href="#Pep8NamingChecker.__checkClassName">__checkClassName</a></td> |
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67 <td>Private class to check the given node for class name conventions (N801, N831).</td> |
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68 </tr><tr> |
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69 <td><a href="#Pep8NamingChecker.__checkFunctionArgumentNames">__checkFunctionArgumentNames</a></td> |
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70 <td>Private class to check the argument names of functions (N803, N804, N805, N806, N831).</td> |
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71 </tr><tr> |
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72 <td><a href="#Pep8NamingChecker.__checkFuntionName">__checkFuntionName</a></td> |
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73 <td>Private class to check the given node for function name conventions (N802, N831).</td> |
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74 </tr><tr> |
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75 <td><a href="#Pep8NamingChecker.__checkImportAs">__checkImportAs</a></td> |
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76 <td>Private method to check that imports don't change the naming convention (N811, N812, N813, N814).</td> |
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77 </tr><tr> |
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78 <td><a href="#Pep8NamingChecker.__checkModule">__checkModule</a></td> |
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79 <td>Private method to check module naming conventions (N807, N808).</td> |
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80 </tr><tr> |
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81 <td><a href="#Pep8NamingChecker.__checkVariablesInFunction">__checkVariablesInFunction</a></td> |
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82 <td>Private method to check local variables in functions (N821, N831).</td> |
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83 </tr><tr> |
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84 <td><a href="#Pep8NamingChecker.__error">__error</a></td> |
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85 <td>Private method to build the error information</td> |
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86 </tr><tr> |
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87 <td><a href="#Pep8NamingChecker.__findGlobalDefs">__findGlobalDefs</a></td> |
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88 <td>Private method amend a node with global definitions information.</td> |
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89 </tr><tr> |
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90 <td><a href="#Pep8NamingChecker.__getArgNames">__getArgNames</a></td> |
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91 <td>Private method to get the argument names of a function node.</td> |
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92 </tr><tr> |
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93 <td><a href="#Pep8NamingChecker.__isNameToBeAvoided">__isNameToBeAvoided</a></td> |
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94 <td>Private method to check, if the given name should be avoided.</td> |
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95 </tr><tr> |
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96 <td><a href="#Pep8NamingChecker.__tagClassFunctions">__tagClassFunctions</a></td> |
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97 <td>Private method to tag functions if they are methods, class methods or static methods.</td> |
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98 </tr><tr> |
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99 <td><a href="#Pep8NamingChecker.__visitNode">__visitNode</a></td> |
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100 <td>Private method to inspect the given AST node.</td> |
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101 </tr><tr> |
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102 <td><a href="#Pep8NamingChecker.__visitTree">__visitTree</a></td> |
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103 <td>Private method to scan the given AST tree.</td> |
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104 </tr><tr> |
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105 <td><a href="#Pep8NamingChecker.run">run</a></td> |
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106 <td>Public method run by the pep8.py checker.</td> |
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107 </tr> |
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108 </table> |
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109 <h3>Static Methods</h3> |
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110 <table> |
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111 <tr><td>None</td></tr> |
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112 </table> |
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113 <a NAME="Pep8NamingChecker.getMessage" ID="Pep8NamingChecker.getMessage"></a> |
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114 <h4>Pep8NamingChecker.getMessage (class method)</h4> |
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115 <b>getMessage</b>(<i>code, *args</i>) |
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116 <p> |
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117 Class method to get a translated and formatted message for a |
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118 given code. |
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119 </p><dl> |
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120 <dt><i>code</i></dt> |
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121 <dd> |
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122 message code (string) |
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123 </dd><dt><i>args</i></dt> |
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124 <dd> |
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125 arguments for a formatted message (list) |
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126 </dd> |
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127 </dl><dl> |
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128 <dt>Returns:</dt> |
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129 <dd> |
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130 translated and formatted message (string) |
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131 </dd> |
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132 </dl><a NAME="Pep8NamingChecker.__init__" ID="Pep8NamingChecker.__init__"></a> |
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133 <h4>Pep8NamingChecker (Constructor)</h4> |
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134 <b>Pep8NamingChecker</b>(<i>tree, filename</i>) |
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135 <p> |
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136 Constructor (according to pep8.py API) |
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137 </p><dl> |
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138 <dt><i>tree</i></dt> |
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139 <dd> |
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140 AST tree of the source file |
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141 </dd><dt><i>filename</i></dt> |
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142 <dd> |
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143 name of the source file (string) |
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144 </dd> |
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145 </dl><a NAME="Pep8NamingChecker.__checkClassName" ID="Pep8NamingChecker.__checkClassName"></a> |
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146 <h4>Pep8NamingChecker.__checkClassName</h4> |
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147 <b>__checkClassName</b>(<i>node, parents</i>) |
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148 <p> |
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149 Private class to check the given node for class name |
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150 conventions (N801, N831). |
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151 </p><p> |
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152 Almost without exception, class names use the CapWords convention. |
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153 Classes for internal use have a leading underscore in addition. |
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154 </p><dl> |
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155 <dt><i>node</i></dt> |
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156 <dd> |
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157 AST note to check |
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158 </dd> |
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159 </dl><dl> |
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160 <dt>Returns:</dt> |
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161 <dd> |
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162 tuple giving line number, offset within line and error code |
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163 (integer, integer, string) |
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164 </dd> |
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165 </dl><a NAME="Pep8NamingChecker.__checkFunctionArgumentNames" ID="Pep8NamingChecker.__checkFunctionArgumentNames"></a> |
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166 <h4>Pep8NamingChecker.__checkFunctionArgumentNames</h4> |
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167 <b>__checkFunctionArgumentNames</b>(<i>node, parents</i>) |
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168 <p> |
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169 Private class to check the argument names of functions |
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170 (N803, N804, N805, N806, N831). |
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171 </p><p> |
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172 The argument names of a function should be lowercase, with words |
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173 separated by underscores. A class method should have 'cls' as the |
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174 first argument. A method should have 'self' as the first argument. |
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175 </p><dl> |
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176 <dt><i>node</i></dt> |
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177 <dd> |
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178 AST note to check |
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179 </dd> |
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180 </dl><dl> |
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181 <dt>Returns:</dt> |
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182 <dd> |
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183 tuple giving line number, offset within line and error code |
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184 (integer, integer, string) |
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185 </dd> |
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186 </dl><a NAME="Pep8NamingChecker.__checkFuntionName" ID="Pep8NamingChecker.__checkFuntionName"></a> |
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187 <h4>Pep8NamingChecker.__checkFuntionName</h4> |
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188 <b>__checkFuntionName</b>(<i>node, parents</i>) |
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189 <p> |
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190 Private class to check the given node for function name |
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191 conventions (N802, N831). |
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192 </p><p> |
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193 Function names should be lowercase, with words separated by underscores |
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194 as necessary to improve readability. Functions <b>not</b> being |
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195 methods '__' in front and back are not allowed. Mixed case is allowed |
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196 only in contexts where that's already the prevailing style |
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197 (e.g. threading.py), to retain backwards compatibility. |
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198 </p><dl> |
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199 <dt><i>node</i></dt> |
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200 <dd> |
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201 AST note to check |
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202 </dd> |
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203 </dl><dl> |
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204 <dt>Returns:</dt> |
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205 <dd> |
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206 tuple giving line number, offset within line and error code |
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207 (integer, integer, string) |
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208 </dd> |
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209 </dl><a NAME="Pep8NamingChecker.__checkImportAs" ID="Pep8NamingChecker.__checkImportAs"></a> |
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210 <h4>Pep8NamingChecker.__checkImportAs</h4> |
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211 <b>__checkImportAs</b>(<i>node, parents</i>) |
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212 <p> |
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213 Private method to check that imports don't change the |
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214 naming convention (N811, N812, N813, N814). |
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215 </p><dl> |
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216 <dt><i>node</i></dt> |
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217 <dd> |
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218 AST note to check |
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219 </dd> |
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220 </dl><dl> |
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221 <dt>Returns:</dt> |
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222 <dd> |
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223 tuple giving line number, offset within line and error code |
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224 (integer, integer, string) |
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225 </dd> |
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226 </dl><a NAME="Pep8NamingChecker.__checkModule" ID="Pep8NamingChecker.__checkModule"></a> |
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227 <h4>Pep8NamingChecker.__checkModule</h4> |
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228 <b>__checkModule</b>(<i>node, parents</i>) |
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229 <p> |
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230 Private method to check module naming conventions (N807, N808). |
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231 </p><p> |
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232 Module and package names should be lowercase. |
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233 </p><dl> |
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234 <dt><i>node</i></dt> |
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235 <dd> |
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236 AST note to check |
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237 </dd> |
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238 </dl><dl> |
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239 <dt>Returns:</dt> |
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240 <dd> |
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241 tuple giving line number, offset within line and error code |
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242 (integer, integer, string) |
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243 </dd> |
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244 </dl><a NAME="Pep8NamingChecker.__checkVariablesInFunction" ID="Pep8NamingChecker.__checkVariablesInFunction"></a> |
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245 <h4>Pep8NamingChecker.__checkVariablesInFunction</h4> |
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246 <b>__checkVariablesInFunction</b>(<i>node, parents</i>) |
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247 <p> |
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248 Private method to check local variables in functions (N821, N831). |
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249 </p><p> |
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250 Local variables in functions should be lowercase. |
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251 </p><dl> |
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252 <dt><i>node</i></dt> |
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253 <dd> |
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254 AST note to check |
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255 </dd> |
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256 </dl><dl> |
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257 <dt>Returns:</dt> |
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258 <dd> |
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259 tuple giving line number, offset within line and error code |
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260 (integer, integer, string) |
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261 </dd> |
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262 </dl><a NAME="Pep8NamingChecker.__error" ID="Pep8NamingChecker.__error"></a> |
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263 <h4>Pep8NamingChecker.__error</h4> |
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264 <b>__error</b>(<i>node, code</i>) |
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265 <p> |
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266 Private method to build the error information |
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267 </p><dl> |
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268 <dt><i>node</i></dt> |
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269 <dd> |
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270 AST node to report an error for |
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271 </dd><dt><i>code</i></dt> |
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272 <dd> |
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273 error code to report (string) |
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274 </dd> |
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275 </dl><dl> |
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276 <dt>Returns:</dt> |
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277 <dd> |
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278 tuple giving line number, offset within line and error code |
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279 (integer, integer, string) |
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280 </dd> |
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281 </dl><a NAME="Pep8NamingChecker.__findGlobalDefs" ID="Pep8NamingChecker.__findGlobalDefs"></a> |
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282 <h4>Pep8NamingChecker.__findGlobalDefs</h4> |
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283 <b>__findGlobalDefs</b>(<i>functionNode</i>) |
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284 <p> |
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285 Private method amend a node with global definitions information. |
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286 </p><dl> |
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287 <dt><i>functionNode</i></dt> |
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288 <dd> |
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289 AST tree node to amend |
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290 </dd> |
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291 </dl><a NAME="Pep8NamingChecker.__getArgNames" ID="Pep8NamingChecker.__getArgNames"></a> |
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292 <h4>Pep8NamingChecker.__getArgNames</h4> |
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293 <b>__getArgNames</b>(<i>node</i>) |
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294 <p> |
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295 Private method to get the argument names of a function node. |
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296 </p><dl> |
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297 <dt><i>node</i></dt> |
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298 <dd> |
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299 AST node to extract arguments names from |
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300 </dd> |
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301 </dl><dl> |
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302 <dt>Returns:</dt> |
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303 <dd> |
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304 list of argument names (list of string) |
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305 </dd> |
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306 </dl><a NAME="Pep8NamingChecker.__isNameToBeAvoided" ID="Pep8NamingChecker.__isNameToBeAvoided"></a> |
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307 <h4>Pep8NamingChecker.__isNameToBeAvoided</h4> |
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308 <b>__isNameToBeAvoided</b>(<i>name</i>) |
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309 <p> |
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310 Private method to check, if the given name should be avoided. |
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311 </p><dl> |
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312 <dt><i>name</i></dt> |
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313 <dd> |
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314 name to be checked (string) |
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315 </dd> |
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316 </dl><dl> |
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317 <dt>Returns:</dt> |
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318 <dd> |
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319 flag indicating to avoid it (boolen) |
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320 </dd> |
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321 </dl><a NAME="Pep8NamingChecker.__tagClassFunctions" ID="Pep8NamingChecker.__tagClassFunctions"></a> |
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322 <h4>Pep8NamingChecker.__tagClassFunctions</h4> |
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323 <b>__tagClassFunctions</b>(<i>classNode</i>) |
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324 <p> |
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325 Private method to tag functions if they are methods, class methods or |
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326 static methods. |
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327 </p><dl> |
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328 <dt><i>classNode</i></dt> |
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329 <dd> |
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330 AST tree node to tag |
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331 </dd> |
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332 </dl><a NAME="Pep8NamingChecker.__visitNode" ID="Pep8NamingChecker.__visitNode"></a> |
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333 <h4>Pep8NamingChecker.__visitNode</h4> |
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334 <b>__visitNode</b>(<i>node</i>) |
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335 <p> |
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336 Private method to inspect the given AST node. |
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337 </p><dl> |
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338 <dt><i>node</i></dt> |
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339 <dd> |
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340 AST tree node to inspect |
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341 </dd> |
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342 </dl><dl> |
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343 <dt>Returns:</dt> |
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344 <dd> |
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345 tuple giving line number, offset within line, code and |
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346 checker function |
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347 </dd> |
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348 </dl><a NAME="Pep8NamingChecker.__visitTree" ID="Pep8NamingChecker.__visitTree"></a> |
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349 <h4>Pep8NamingChecker.__visitTree</h4> |
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350 <b>__visitTree</b>(<i>node</i>) |
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351 <p> |
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352 Private method to scan the given AST tree. |
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353 </p><dl> |
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354 <dt><i>node</i></dt> |
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355 <dd> |
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356 AST tree node to scan |
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357 </dd> |
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358 </dl><dl> |
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359 <dt>Returns:</dt> |
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360 <dd> |
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361 tuple giving line number, offset within line, code and |
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362 checker function |
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363 </dd> |
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364 </dl><a NAME="Pep8NamingChecker.run" ID="Pep8NamingChecker.run"></a> |
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365 <h4>Pep8NamingChecker.run</h4> |
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366 <b>run</b>(<i></i>) |
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367 <p> |
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368 Public method run by the pep8.py checker. |
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369 </p><dl> |
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370 <dt>Returns:</dt> |
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371 <dd> |
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372 tuple giving line number, offset within line, code and |
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373 checker function |
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374 </dd> |
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375 </dl> |
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376 <div align="right"><a href="#top">Up</a></div> |
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377 <hr /> |
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